Recent content by Jozw30

Problem is these standards are just being developed and are evolving. CRI for instance isn’t even really good for LED’s, it was developed for fluorescent/HID lighting. There is a new std being adopted (although slowly) called CQS. The CRI (Ra) number for LED lights doesn’t tell the whole...

I guess I’m a “lighting snob” (it’s what I do for a living), I spend so much time staring at LED’s I try to only use the best stuff where my eyes are concerned. I’m like a lot of you and getting older so i’m looking for every chance to reduce fatigue and eye strain. I don’t work with the...

The non-visible flicker is due to driver designs with no input filtering (typically electrolytic capacitors). The E-caps are also the weak link in the driver life expectancy. E-star and Title24 (California) are starting to address this in their standards so it is getting better. It’s taking a...

Stained the garage floor late last evening. Neutralized just now. My question is, when I rinse the floor I need to push this stuff out the main garage door onto my 5 day old driveway. I am worried the pee yellow rinse water will stain my new driveway. Anyone know for sure that it won't? I...

Hello, My name is Joe and I have lurked for a while, but now that my wife and I are relocating from Ohio to Arizona, and I am very soon building a new workshop, I have a reason to contribute and ask for help. Looking forward to being a member. Joe